Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Engine (Assembly)
    Special Tool(s) Guides, Connecting Rod 303-442 (T93P-6136-A) Installer, Crankshaft Vibration Damper 303-102 (T74P-6316-B) Installer, Front Cover Oil Seal 303-335 (T88T-6701-A) Installer, Crankshaft Rear ...

    Engine
          A modular engine is built around four modules: the intake module the cylinder head module (RH) the cylinder head module (LH) the lower engine module While not all repairs can take advantage of the modular concept, mos ...

    Pinpoint Tests
    PINPOINT TEST A: THE SPEED CONTROL IS INOPERATIVE Test Step Result / Action to Take A1 CHECK THE SPEED CONTROL SERVO VOLTAGE AND GROUND YesGO to A3 . No GO to A2 . Key in OFF position. Disconnect: Speed Control Servo C122. ...